diff --git a/lib/private/App/AppStore/Fetcher/AppFetcher.php b/lib/private/App/AppStore/Fetcher/AppFetcher.php
index 49faa64bb5..d97949421d 100644
--- a/lib/private/App/AppStore/Fetcher/AppFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/AppFetcher.php
@@ -68,7 +68,6 @@ class AppFetcher extends Fetcher {
 		);
 
 		$this->fileName = 'apps.json';
-		$this->setEndpoint();
 		$this->compareVersion = $compareVersion;
 		$this->ignoreMaxVersion = true;
 	}
@@ -143,10 +142,6 @@ class AppFetcher extends Fetcher {
 		return $response;
 	}
 
-	private function setEndpoint() {
-		$this->endpointUrl = 'https://apps.nextcloud.com/api/v1/apps.json';
-	}
-
 	/**
 	 * @param string $version
 	 * @param string $fileName
diff --git a/lib/private/App/AppStore/Fetcher/CategoryFetcher.php b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
index 7fa0800762..904c401c15 100644
--- a/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
+++ b/lib/private/App/AppStore/Fetcher/CategoryFetcher.php
@@ -53,6 +53,5 @@ class CategoryFetcher extends Fetcher {
 			$logger
 		);
 		$this->fileName = 'categories.json';
-		$this->endpointUrl = 'https://apps.nextcloud.com/api/v1/categories.json';
 	}
 }
diff --git a/lib/private/App/AppStore/Fetcher/Fetcher.php b/lib/private/App/AppStore/Fetcher/Fetcher.php
index bcfea94959..76a37bfa7d 100644
--- a/lib/private/App/AppStore/Fetcher/Fetcher.php
+++ b/lib/private/App/AppStore/Fetcher/Fetcher.php
@@ -55,8 +55,6 @@ abstract class Fetcher {
 	/** @var string */
 	protected $fileName;
 	/** @var string */
-	protected $endpointUrl;
-	/** @var string */
 	protected $version;
 	/** @var string */
 	protected $channel;
@@ -106,7 +104,7 @@ abstract class Fetcher {
 		}
 
 		$client = $this->clientService->newClient();
-		$response = $client->get($this->endpointUrl, $options);
+		$response = $client->get($this->getEndpoint(), $options);
 
 		$responseJson = [];
 		if ($response->getStatusCode() === Http::STATUS_NOT_MODIFIED) {
@@ -219,4 +217,8 @@ abstract class Fetcher {
 	public function setChannel(string $channel) {
 		$this->channel = $channel;
 	}
+
+	protected function getEndpoint(): string {
+		return $this->config->getSystemValue('appstoreurl', 'https://apps.nextcloud.com/api/v1') . '/' . $this->fileName;
+	}
 }
diff --git a/tests/lib/App/AppStore/Fetcher/AppFetcherTest.php b/tests/lib/App/AppStore/Fetcher/AppFetcherTest.php
index 9a11823404..ac9ac06d19 100644
--- a/tests/lib/App/AppStore/Fetcher/AppFetcherTest.php
+++ b/tests/lib/App/AppStore/Fetcher/AppFetcherTest.php
@@ -92,6 +92,8 @@ EOD;
 					return true;
 				} else if ($key === 'version') {
 					return '11.0.0.2';
+				} else if ($key === 'appstoreurl' && $default === 'https://apps.nextcloud.com/api/v1') {
+					return 'https://custom.appsstore.endpoint/api/v1';
 				} else {
 					return $default;
 				}
@@ -122,7 +124,7 @@ EOD;
 		$response = $this->createMock(IResponse::class);
 		$client
 			->method('get')
-			->with('https://apps.nextcloud.com/api/v1/apps.json')
+			->with('https://custom.appsstore.endpoint/api/v1/apps.json')
 			->willReturn($response);
 		$response
 			->expects($this->once())
diff --git a/tests/lib/App/AppStore/Fetcher/FetcherBase.php b/tests/lib/App/AppStore/Fetcher/FetcherBase.php
index 84584e5432..9dac4dd749 100644
--- a/tests/lib/App/AppStore/Fetcher/FetcherBase.php
+++ b/tests/lib/App/AppStore/Fetcher/FetcherBase.php
@@ -137,6 +137,11 @@ abstract class FetcherBase extends TestCase {
 		$this->config
 			->expects($this->at(3))
 			->method('getSystemValue')
+			->with('appstoreurl', 'https://apps.nextcloud.com/api/v1')
+			->willReturn('https://apps.nextcloud.com/api/v1');
+		$this->config
+			->expects($this->at(4))
+			->method('getSystemValue')
 			->with(
 				$this->equalTo('version'),
 				$this->anything()
@@ -298,6 +303,11 @@ abstract class FetcherBase extends TestCase {
 		$this->config
 			->expects($this->at(3))
 			->method('getSystemValue')
+			->with('appstoreurl', 'https://apps.nextcloud.com/api/v1')
+			->willReturn('https://apps.nextcloud.com/api/v1');
+		$this->config
+			->expects($this->at(4))
+			->method('getSystemValue')
 			->with(
 				$this->equalTo('version'),
 				$this->anything()
@@ -382,6 +392,11 @@ abstract class FetcherBase extends TestCase {
 		$this->config
 			->expects($this->at(3))
 			->method('getSystemValue')
+			->with('appstoreurl', 'https://apps.nextcloud.com/api/v1')
+			->willReturn('https://apps.nextcloud.com/api/v1');
+		$this->config
+			->expects($this->at(4))
+			->method('getSystemValue')
 			->with(
 				$this->equalTo('version'),
 				$this->anything()